Eagle 127043810 Competition Rotating Assembly Stroker Kit LS 4.8/5.3 to 365ci

The Eagle 127043810 Competition Rotating Assembly is a high-performance stroker kit designed to transform Chevrolet LS 4.8L and 5.3L engines into powerful 365 cubic inch powerplants. This kit is engineered for serious performance applications producing up to 750 horsepower, offering exceptional strength, reliability, and value.

Complete Kit Includes:

• Forged 4340 steel crankshaft with 3.800-inch stroke for increased displacement
• Forged 4340 steel H-beam connecting rods measuring 6.125 inches center-to-center
• Premium forged pistons (Mahle or Arias brand)
• Hastings piston rings with file-fit design
• High-performance Clevite or King engine bearings
• 24-tooth reluctor wheel compatible with LS engine management systems

Key Features:

• Designed for internal balance without heavy metal modification
• Forged crankshaft features non-twist forging with multi-stage heat treatment
• Cross-drilled and chamfered oil holes for improved oiling
• Precision-ground and micro-polished journals to less than 5 RA finish
• Stress-relieved and shot-peened for maximum durability
• X-rayed, magnafluxed, and sonic-tested for quality assurance

Important: This kit requires professional balancing by a qualified machine shop before installation. Part numbers beginning with "B" are pre-balanced by Eagle; this unbalanced kit allows for custom balancing to your specific application. Verify reluctor tooth count, bore size, and cylinder head volume before ordering to ensure proper fitment.